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A - Abencerrages | Aber - Aceldama | Acerose - Adam, The Right Hon. William | Adamawa - Affidavit | Affiliation - Ainhum | Ainmuller - Albuquerque, Alfonso d' | Alcaeus - Algiers | Algoa Bay - Alnwick | Aloe - Amboyna | Ambrose - Anabolism | Anacanthini - Andros | Andujar - Annulet | Annulosa - Antiphlogistic Treatment | Antiphon - Apophis | Apophthegm - Arabgir | Arabi - Arcot | Arcot districts - Aristoxenus | Arithmetic - Artedi | Artemia - Ashford | Ashlar - Astigmatism | Astley - Atrypa | Atta - Aurora | Aurora Borealis - Axil | Axim - Azymites
Aloe
Aloes
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Alora
Alost
Alp Arslan
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Alpheus
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Altai Mountains
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Altazimuth
Altdorfer, Albeet
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Altenburg, capital
Altengaard
Alteratives
Alternation of Generations
Alto
Alto relievo
Alton
Altona
Altoona
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Altrincham
Altruism
Aludel
Alum
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Aluminium
Alured
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Alvarado
Alvarado, Alfonso d'
Alvarado, Pedeo d'
Alvarez, Don Jose
Alvarez, Francesco
Alwur
Amadavat
Amadeus
Amadis of Gaul
Amadou
Amalekites
Amalfi
Amalgam
Amalia
Amaltheidae
Amanita
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Amara-pura
Amaranth
Amari
Amaryllis
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Amasis
Amateur
Amati
Amaurosis
Amazon
Amazon-stone
Amazons
Amber
Amber, Cape
Amber, Jaipur
Amberg
Ambergris
Ambleside
Amblyopia
Amblystoma
Amboise
Amboise, Georges d'
Amboyna